mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
WL#2687 WL#5072 BUG#40278 BUG#47175
Non-transactional updates that take place inside a transaction present problems for logging because they are visible to other clients before the transaction is committed, and they are not rolled back even if the transaction is rolled back. It is not always possible to log correctly in statement format when both transactional and non-transactional tables are used in the same transaction. In the current patch, we ensure that such scenario is completely safe under the ROW and MIXED modes.
This commit is contained in:
@ -4,6 +4,7 @@ reset master;
|
||||
reset slave;
|
||||
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
||||
start slave;
|
||||
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT");
|
||||
########################################################################
|
||||
# Environment
|
||||
########################################################################
|
||||
@ -20,12 +21,16 @@ INSERT INTO t VALUES (4,'black'), (2,'red'), (3,'yelow'), (1,'cyan');
|
||||
SET AUTOCOMMIT = 1;
|
||||
BEGIN;
|
||||
UPDATE t SET f = 'yellow 2' WHERE i = 3;
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
SET AUTOCOMMIT = 1;
|
||||
BEGIN;
|
||||
UPDATE t SET f = 'magenta 2' WHERE f = 'red';
|
||||
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||||
INSERT INTO t VALUES (5 + (2 * 10),"brown");
|
||||
INSERT INTO n VALUES (now(),"brown");
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
COMMIT;
|
||||
ROLLBACK;
|
||||
Warnings:
|
||||
@ -43,12 +48,16 @@ master-bin.000001 # Query # # ROLLBACK
|
||||
SET AUTOCOMMIT = 1;
|
||||
BEGIN;
|
||||
UPDATE t SET f = 'gray 2' WHERE i = 3;
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
SET AUTOCOMMIT = 1;
|
||||
BEGIN;
|
||||
UPDATE t SET f = 'dark blue 2' WHERE f = 'red';
|
||||
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||||
INSERT INTO t VALUES (6 + (2 * 10),"brown");
|
||||
INSERT INTO n VALUES (now(),"brown");
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
COMMIT;
|
||||
COMMIT;
|
||||
show binlog events from <binlog_start>;
|
||||
@ -63,11 +72,15 @@ master-bin.000001 # Query # # use `test`; INSERT INTO n VALUES (now(),"brown")
|
||||
master-bin.000001 # Xid # # COMMIT /* XID */
|
||||
SET AUTOCOMMIT = 0;
|
||||
UPDATE t SET f = 'yellow 1' WHERE i = 3;
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
SET AUTOCOMMIT = 0;
|
||||
UPDATE t SET f = 'magenta 1' WHERE f = 'red';
|
||||
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||||
INSERT INTO t VALUES (5 + (1 * 10),"brown");
|
||||
INSERT INTO n VALUES (now(),"brown");
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
COMMIT;
|
||||
ROLLBACK;
|
||||
Warnings:
|
||||
@ -84,11 +97,15 @@ master-bin.000001 # Query # # use `test`; INSERT INTO n VALUES (now(),"brown")
|
||||
master-bin.000001 # Query # # ROLLBACK
|
||||
SET AUTOCOMMIT = 0;
|
||||
UPDATE t SET f = 'gray 1' WHERE i = 3;
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
SET AUTOCOMMIT = 0;
|
||||
UPDATE t SET f = 'dark blue 1' WHERE f = 'red';
|
||||
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||||
INSERT INTO t VALUES (6 + (1 * 10),"brown");
|
||||
INSERT INTO n VALUES (now(),"brown");
|
||||
Warnings:
|
||||
Note 1592 Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Non-transactional reads or writes are unsafe if they occur after transactional reads or writes inside a transaction.
|
||||
COMMIT;
|
||||
COMMIT;
|
||||
show binlog events from <binlog_start>;
|
||||
|
Reference in New Issue
Block a user